Home / 266,939,860.15-400,263,822.66-211,960,863.43

Finding the Fourth Proportional to 266,939,860.15, 400,263,822.66 and 211,960,863.43

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Solution

The fourth proportional to 266,939,860.15, 400,263,822.66 and 211,960,863.43 is: 317,825,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,939,860.15 : 400,263,822.66 = 211,960,863.43 : x
  2. Step 2: Convert to fraction form
    266,939,860.15/400,263,822.66 = 211,960,863.43/x
  3. Step 3: Cross multiply
    266,939,860.15x = 400,263,822.66 × 211,960,863.43
  4. Step 4: Simplify right side
    266,939,860.15x = 84,840,265,451,806,672
  5. Step 5: Solve for x
    x = 84,840,265,451,806,672/266,939,860.15
  6. Step 6: Final answer
    x = 317,825,391.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.